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<head>
    <meta charset="UTF-8">
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    <title>Document</title>
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    <script>
        //filter筛选数组
        var arr=[12,66,4,88,3,7];
        var newArr = arr.filter(function(value,index,array){
            return value % 2 === 0;
        });
        console.log(newArr);
    </script>
</body>
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